What is the standard cylinder pressure for cars?

1 Answers
KaydenAnn
07/29/25 9:18pm
Four-cylinder engines are considered normal if the cylinder pressure is not less than seven atmospheres. Below is relevant information about cylinder pressure: Cylinder pressure data: Cylinder pressure data varies by vehicle model. Generally, large vehicles (such as Dongfeng 140 and Jiefang 141) have a normal range of 6-8 kg, while small cars should have at least 8 kg. If the pressure is below the normal range, it can be determined that the engine has a fault. Reciprocating piston four-stroke engine: A 5.0L V10 engine has ten cylinders arranged in a V-configuration. The compression volume of each cylinder is 0.5 liters. A single-cylinder engine, having only one cylinder, does not involve considerations of inline or other arrangements. For a 5.0L single-cylinder engine, the compression volume of the cylinder is 5 liters. In practical use, reciprocating piston four-stroke engines are currently widely employed.
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